feat: update shop

scenes/player.gd

@@ -521,21 +521,93 @@ func _apply_outline_recursive(node: Node):
 	for child in node.get_children():
 		_apply_outline_recursive(child)
 
+const COSMETIC_MAPPING = {
+	"head_hat1": {
+		"hide": ["helm_default", "helm1", "helm2", "helm3"], 
+		"show": ["head_hat1"], 
+		"materials": {}
+	},
+	"head_crown": {
+		"hide": ["helm_default", "helm1", "helm2", "helm3"],
+		"show": ["head_crown"],
+		"materials": {}
+	},
+	"costume_red": {
+		"hide": [],
+		"show": [],
+		"materials": {
+			"body": "res://assets/materials/body_red.tres",
+			"arm": "res://assets/materials/body_red.tres"
+		}
+	},
+	"costume_gold": {
+		"hide": [],
+		"show": [],
+		"materials": {
+			"body": "res://assets/materials/body_gold.tres",
+			"arm": "res://assets/materials/body_gold.tres"
+		}
+	},
+	"glove_leather": {
+		"hide": ["hands", "glove_default"],
+		"show": ["glove_leather"],
+		"materials": {}
+	},
+	"acc_glasses": {
+		"hide": [],
+		"show": ["acc_glasses"],
+		"materials": {}
+	}
+}
+
 func apply_loadout(character_node: Node3D) -> void:
 	"""Apply equipped cosmetics from UserProfileManager.loadout onto the active character model.
-	Items are expected as child nodes named matching the item ID (e.g. 'head_hat1', 'acc_glasses').
-	All nodes in the cosmetic category groups are hidden first, then the equipped one is shown."""
+	It uses COSMETIC_MAPPING to dynamically swap visibility and materials of internal meshes."""
 	if not has_node("/root/UserProfileManager"):
 		return
 	
 	var loadout: Dictionary = UserProfileManager.loadout
+	var all_meshes = _get_all_mesh_instances(character_node)
 	
 	for category in ["head", "costume", "glove", "accessory"]:
 		var equipped: String = loadout.get(category, "")
+		
+		# Fallback basic logic for direct children
 		for child in character_node.get_children():
-			# Only manage nodes that start with the category prefix
 			if child.name.begins_with(category):
 				child.visible = (child.name == equipped)
+				
+		# Advanced mapping logic for deep node part swapping and materials
+		if equipped and COSMETIC_MAPPING.has(equipped):
+			var mapping = COSMETIC_MAPPING[equipped]
+			
+			# Visibility overrides
+			var to_hide = mapping.get("hide", [])
+			var to_show = mapping.get("show", [])
+			
+			for mesh in all_meshes:
+				if mesh.name in to_hide:
+					mesh.visible = false
+				if mesh.name in to_show:
+					mesh.visible = true
+					
+			# Material overrides
+			var mats = mapping.get("materials", {})
+			for mesh_name in mats:
+				var mat_path = mats[mesh_name]
+				for mesh in all_meshes:
+					if mesh.name == mesh_name:
+						if ResourceLoader.exists(mat_path):
+							var new_mat = load(mat_path)
+							mesh.material_override = new_mat
+
+func _get_all_mesh_instances(node: Node) -> Array:
+	var result = []
+	if node is MeshInstance3D or node.get_class() == "SkinnedMeshInstance3D":
+		result.append(node)
+	for child in node.get_children():
+		result.append_array(_get_all_mesh_instances(child))
+	return result
 
 @rpc("any_peer", "call_local", "reliable")
 func sync_character(character_name: String) -> void: